"Ransomware Attacks Escalate as Critical Sectors Struggle to Keep Up"

"Ransomware Attacks Escalate as Critical Sectors Struggle to Keep Up"

The frequency, severity, and costs of ransomware attacks continue to grow. Recent reports show rising attacks on healthcare, manufacturing, and other critical sectors. Organizations are often hit multiple times, and ransom payments rarely stop further disruption. Semperis' "2024 Ransomware Risk Report" found that 74 percent of victims were attacked multiple times in a year. This article continues to discuss key findings and observations regarding ransomware attacks.

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"Microsoft Tackling Windows Logfile Flaws With New HMAC-Based Security Mitigation"

"Microsoft Tackling Windows Logfile Flaws With New HMAC-Based Security Mitigation"

Microsoft is experimenting with a new security mitigation to combat the rise in cyberattacks involving the exploitation of vulnerabilities in the Windows Common Log File System (CLFS). The software maker will add a new verification step to CLFS logfile parsing to cover an attack surface attractive to Advanced Persistent Threats (APTs) and ransomware attackers.

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"North Korea's 'Citrine Sleet' APT Exploits Zero-Day Chromium Bug"

"North Korea's 'Citrine Sleet' APT Exploits Zero-Day Chromium Bug"

Last month, a North Korean intelligence threat actor exploited two novel vulnerabilities to steal from the cryptocurrency industry and fund the Kim Jong Un regime. Microsoft has revealed that an Advanced Persistent Threat (APT) within Bureau 121 of North Korea's Reconnaissance General Bureau, tracked as "Citrine Sleet," chained together previously unknown flaws in Windows and Chromium browsers. They also used a rootkit to gain deep system access before stealing from targets. This article continues to discuss findings regarding the Citrine Sleet APT.

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"Crypto Vulnerability Allows Cloning of YubiKey Security Keys"

"Crypto Vulnerability Allows Cloning of YubiKey Security Keys"

YubiKey security keys can be cloned through a side-channel attack involving the exploitation of a vulnerability in a third-party cryptographic library. The attack called "Eucleak" was demonstrated by NinjaLab. Yubico, the company behind YubiKey, has released a security advisory in response to this discovery. YubiKey hardware authentication devices allow users to securely access their accounts using FIDO authentication. The Eucleak attack exploits a vulnerability in an Infineon cryptographic library used by YubiKey and other vendors' products.

Submitted by grigby1 CPVI on
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